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Finding the Fourth Proportional to 582,442.92, 803,638.26 and 327,701.16

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Solution

The fourth proportional to 582,442.92, 803,638.26 and 327,701.16 is: 452,152.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,442.92 : 803,638.26 = 327,701.16 : x
  2. Step 2: Convert to fraction form
    582,442.92/803,638.26 = 327,701.16/x
  3. Step 3: Cross multiply
    582,442.92x = 803,638.26 × 327,701.16
  4. Step 4: Simplify right side
    582,442.92x = 263,353,190,022.38
  5. Step 5: Solve for x
    x = 263,353,190,022.38/582,442.92
  6. Step 6: Final answer
    x = 452,152.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.